Incidence of very small aneurysms (VSAs, ≤3 mm) and small aneurysms (SAs, >3 mm and ≤7 mm) in each group of aneurysms
| Size | All patients | Group 1 | Group 2 | ||
|---|---|---|---|---|---|
| All | All | Treated | Untreated | ||
| VSAs (%) | 30.5 | 33.5 | 47.3 | 24.6 | 73.0 |
| SAs (%) | 47.1 | 45.2 | 38.8 | 50.7 | 25.4 |
| >7 mm (%) | 22.4 | 21.3 | 13.9 | 24.7 | 1.6 |